Business Days Calculator
Count working days between two dates.
Choose both dates.
What this calculator does
Count Monday-to-Friday business days and optionally exclude your own holiday dates. Handles weekends, leap years, and inclusive date ranges.
Inputs and what they mean
- Start date
- — date value.
- End date
- — date value.
- Include the end date
- — yes/no value.
- Holidays to exclude
- — Optional dates separated by commas, spaces, or new lines..
How to use it
- Enter the dates, times, or schedule details.
- Adjust the available options for your situation.
- Review and copy the instant result.
Formula
Count Monday through Friday across the selected range, then exclude valid entered holidays.
Worked example
One working week
Count weekdays from Monday through Friday.
Reading the result
The headline figure is the main answer. Any breakdown underneath shows the parts that make it up, so you can check the working and see what changes when you adjust an input.
Limitations and assumptions
Results depend entirely on the figures you enter and are rounded for display. They are for general information and education, not professional advice.
Common questions
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